Support brace



FIG. 1 is a front right side perspective view of a support brace in accordance with the present invention;

FIG. 2 is a left side view of the support brace of FIG. 1;

FIG. 3 is a rear view of the support brace of FIG. 1;

FIG. 4 is a bottom view of the support brace of FIG. 1; and,

FIG. 5 is a top view of the support brace of FIG. 1.

The dotted lines showing of wall panels connected to the support brace is for environmental purposes only and forms no part of the claimed design. 

The ornamental design for a support brace, as shown. 